—Is this your pencil ?           —No, ______ is here. I think it’s Yang Hua’s.                

 —______ do you go skateboarding?   --- Twice a week.

－ ______does your brother watch TV every day?－For half an hour.

It is a good habit (习惯) to read books        a pen in her hand.

________ does it take you to do your homework every day?